National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Mist

41°F

5°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 27 Jan 12:00 AM PST
Extended Forecast for

4 Miles E Hercules CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. East wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely after 4pm. Increasing clouds, with a high near 58. East wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 58 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. South southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. North wind around 7 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Northwest wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. East wind around 6 mph.
Tuesday
Rain likely after 4pm. Increasing clouds, with a high near 58. East wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48. South southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 58. North wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 43. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 61.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
Last Update:
1:29 pm PST Jan 26, 2026
Forecast Valid:
12am PST Jan 27, 2026-6pm PST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation